A rectangular package to be sent by a postal service can have a maximum combined length and girth (perimeter of a cross section) of 66 inches (see figure). Find the dimensions of the package of maximum volume that can be sent. (Assume the cross section is square.)

The federal reserve controls certain interest rates in the united states. investors often try to speculate as to whether the federal reserve will raise or lower rates and by how much. suppose a company conducts extensive interviews with financial analysts, and as a result, predicts that "thefed" will increase rates by an average of 0.25 percentage points every six months for the forseeable future. which type of equation could be used to model the predicted interest rates over the next several years, assuming no other significant changes? a) a linear equation b) a quadratic equation c) a polynomial equation d) an exponential equation